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Ara es mostren els items 12-31 de 35

    • Deployment and management of SDR cloud computing resources: problem definition and fundamental limits 

      Gómez Miguelez, Ismael; Marojevic, Vuk; Gelonch Bosch, Antonio José (2013-03)
      Article
      Accés obert
      Software-defined radio (SDR) describes radio transceivers implemented in software that executes on general-purpose hardware. SDR combined with cloud computing technology will reshape the wireless access infrastructure, ...

    • Design and implementation of a wide-band real-time mobile channel emulator 

      Olmos Bonafé, Juan José; Gelonch Bosch, Antonio José; Casadevall Palacio, Fernando José; Femenias Nadal, Guillem (1999-05)
      Article
      Accés obert
      A new wide-band mobile channel emulator for the CODIT project is designed and implemented. The UMTS code-division testbed (CODIT R2020) is a research project within the European RACE-II program set up by the Commission of ...

    • Design and implementation of a wide-band real-time mobile channel emulator 

      Olmos Bonafé, Juan José; Gelonch Bosch, Antonio José; Casadevall Palacio, Fernando José; Femenias Nadal, Guillem (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1999-05)
      Article
      Accés obert
      A new wide-band mobile channel emulator for the CODIT project is designed and implemented. The UMTS code-division testbed (CODIT R2020) is a research project within the European RACE-II program set up by the Commission of ...

    • Dynamic resource allocation in software-defined radio - The interrelation between platform architecture and application mapping 

      Marojevic, Vuk; Revés Ballesté, Xavier; Gelonch Bosch, Antonio José (2006-09)
      Article
      Accés obert

    • Energy-efficient water-filling with order statistics 

      Gómez Miguelez, Ismael; Marojevic, Vuk; Gelonch Bosch, Antonio José (2014-01-01)
      Article
      Accés restringit per política de l'editorial
      This paper proposes a methodology based on order statistics to study the energy-efficient (EE) power allocation for wireless communication transmitters. Water-filling power allocation maximizes the EE when transmitting and ...

    • ENGINYERIA DE SOFTWARE RÀDIO (Examen final, 1r quadrimestre) 

      Gelonch Bosch, Antonio José (Universitat Politècnica de Catalunya, 2023-01-18)
      Examen
      Accés restringit a la comunitat UPC

    • Envelope tracking amplification with reduced slew-rate and bandwidth envelopes 

      Vizarreta Paz, Pedro Pablo; Montoro López, Gabriel; Gilabert Pinal, Pere Lluís; Bertran Albertí, Eduardo; Berenguer Sau, Jordi; Gelonch Bosch, Antonio José; García, José Angel (Unión Científica Internacional de Radio, 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents an Envelope Tracking Pow- er Amplifier whose architecture includes a Hybrid Envelope Amplifier (HEA) and an algorithm to adapt the envelope’s characteristics to the HEA’s limitations. The HEA attempts ...

    • Joint antenna diversity and combined DFE/decoding of trellis coded modulation on frequency-selective fading mobile radio channels 

      Gelonch Bosch, Antonio José (Institute of Electrical and Electronics Engineers (IEEE), 1993)
      Text en actes de congrés
      Accés obert
      A Monte Carlo simulation study of a combined FDMA/TDMA slow frequency-hopping trellis coded adaptive receiver for multipath Rayleigh fading channels is presented. The receiver structure, first proposed by Proakis (1989) ...

    • La evaluación en PBL: un caso práctico 

      García Lozano, Mario; Pérez Díaz de Cerio, David; Valenzuela González, José Luis; Gelonch Bosch, Antonio José; Alonso Zárate, Luis Gonzaga; Ruiz Boqué, Sílvia (2008)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Las ventajas de estructurar una asignatura, un conjunto o incluso todo un plan de estudios mediante Aprendizaje Basado en Proyectos (PBL) han sido ampliamente expuestas de forma teórica y práctica ...

    • Middleware extension for partial reconfiguration management in cognitive radios 

      Gómez Miguelez, Ismael; Wang, Honhzhi; Nafkha, Amor; Marojevic, Vuk; Moy, Christophe; Leray, Pierre; Gelonch Bosch, Antonio José (2010)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Today’s radio access technologies demand flexible, high performance and power-efficient computing. Software-defined radios offer a high degree of flexibility but their performance is limited in energy-constrained environments. ...

    • Open source software radio platform for research on cellular networked UAVs: It works! 

      Sabri Abdalla, Aly; Yingst, Andrew; Powell, Keith; Gelonch Bosch, Antonio José; Marojevic, Vuk (Institute of Electrical and Electronics Engineers (IEEE), 2022-02-28)
      Article
      Accés obert
      Cellular network-connected unmanned aerial vehicles (UAVs) experience different radio propagation conditions than radio nodes on the ground. Therefore, it has become critical to investigate the performance of aerial radios, ...

    • Performance and overhead analysis of the ALOE middleware for SDR 

      Gómez Miguelez, Ismael; Marojevic, Vuk; Bracke, Jordi; Gelonch Bosch, Antonio José (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
      Text en actes de congrés
      Accés obert
      Current Software-Defined Radio applications (waveforms) are tailored to specific hardware. Processor vendors frequently adapt internal OS mechanisms for its specific architecture (e.g. scheduling and synchronization). ...

    • Performance of soft-output equalization and convolutional coding over frequency-selective fading radio channels 

      Valdominos Bardají, Antonio; Gelonch Bosch, Antonio José; Casadevall Palacio, Fernando José (Institute of Electrical and Electronics Engineers (IEEE), 1993)
      Text en actes de congrés
      Accés obert
      This paper presents an analysis of soft-output equalization and coding techniques applied to 4 and 16-QAM TDMA radio systems for frequency selective fading channels. In particular, typical urban and hilly terrain environments ...

    • Processing-to-amplifier power ratio for energy efficient communications 

      Gómez Miguelez, Ismael; Marojevic, Vuk; Gelonch Bosch, Antonio José (Institution of Electrical Engineers, 2012-06-07)
      Article
      Accés restringit per política de l'editorial
      The energy consumption of modern communications systems is dominated by the signal processing and shaping circuitry. Assuming a rate-independent processing power consumption, the energy per bit spent for signal processing ...

    • Resource management for software-defined radio clouds 

      Gómez Miguelez, Ismael; Marojevic, Vuk; Gelonch Bosch, Antonio José (2012-02)
      Article
      Accés restringit per política de l'editorial
      Software-defined radio (SDR) clouds combine SDR concepts with cloud computing technology for designing and managing future base stations. They provide a scalable solution for the evolution of wireless communications. The ...

    • Resource management implications and strategies for SDR clouds 

      Gómez Miguelez, Ismael; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Gelonch Bosch, Antonio José; Marojevic, Vuk (2012-09-19)
      Article
      Accés restringit per política de l'editorial
      This paper analyzes the computing resource management implications of SDR base stations implemented as SDR clouds. SDR clouds describe distributed antennas that connect to a data center for digital signal processing. ...

    • Resource management strategies for SDR clouds 

      Marojevic, Vuk; Gómez Miguelez, Ismael; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Gelonch Bosch, Antonio José (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper analyzes different resource management strategies for SDR base stations implemented as SDR clouds. SDR clouds describe distributed antennas that connect to a data center for digital signal processing. The data ...

    • SDR in undergraduate engineering education 

      Marojevic, Vuk; Gómez Miguelez, Ismael; Olmos Bonafé, Juan José; Montoro López, Gabriel; Gelonch Bosch, Antonio José (2010)
      Text en actes de congrés
      Accés obert

    • SDR receiver computational model for application in power control 

      Gómez Miguelez, Ismael; Marojevic, Vuk; Gelonch Bosch, Antonio José (2011-12)
      Article
      Accés restringit per política de l'editorial
      Software-defined radio (SDR) permits dynamic switches of the employed radio access technology (RAT), over-the-air (OTA) software updates, software and hardware reuse. This extended flexibility comes at the price of a higher ...

    • SDR tools and projects for electrical engineering education 

      Marojevic, Vuk; Gómez Miguelez, Ismael; Arteaga, Xavier; Gilabert Pinal, Pere Lluís; Gelonch Bosch, Antonio José (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper focuses on the software-defined radio (SDR) educational aspects. We describe a few recent SDR projects and tools that were developed as part of a graduate electrical engineering course at the School on ...